Liquid Crystal Component Patents (Class 438/30)
  • Patent number: 11978834
    Abstract: A display device may include a pixel disposed in a display area. The pixel may include first and second electrodes; a light emitting element disposed between the first and second electrodes; a first insulating pattern disposed on the light emitting element such that first and second ends of the light emitting element are exposed; a second insulating pattern disposed on the first insulating pattern such that ends of the first insulating pattern are exposed; a third insulating pattern disposed on the second insulating pattern and overlapping ends of the second insulating pattern; a first contact electrode disposed on the first end of the light emitting element, and electrically connecting the first end of the light emitting element to the first electrode; and a second contact electrode disposed on the second end of the light emitting element and electrically connecting the second end to the second electrode.
    Type: Grant
    Filed: June 20, 2019
    Date of Patent: May 7, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Xinxing Li, Bek Hyun Lim, Veidhes Basrur, Dae Hyun Kim, Myeong Hee Kim, Je Won Yoo
  • Patent number: 11977289
    Abstract: Provided are a wide-viewing-angle optical film, a manufacturing method of the wide-viewing-angle optical film, and a liquid crystal display device. The manufacturing method includes: providing a substrate and forming a first light-transmissive layer at one side of the substrate; performing light treatment on the first light-transmissive layer to form protrusions on a surface of the first light-transmissive layer; and forming a second light-transmissive layer on one side of the first light-transmissive layer away from the substrate, in which a refractive index of a material of the second light-transmissive layer is greater than a refractive index of a material of the first light-transmissive layer to obtain a wide-viewing-angle film including the first light-transmissive layer and the second light-transmissive layer stacked on each other.
    Type: Grant
    Filed: July 28, 2022
    Date of Patent: May 7, 2024
    Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Yue Wang, Ji Li
  • Patent number: 11966137
    Abstract: A display device can include a first substrate having an upper surface which is a display surface and a lower surface facing the upper surface; an active layer disposed on a lower surface of the first substrate and including a channel part, a first connection part connected to one side of the channel part, and a second connection part connected to the other side of the channel part; a gate electrode disposed under the active layer and overlapping with the channel part; a second substrate disposed under the above gate electrode; a liquid crystal layer disposed between the first substrate and the second substrate; and a backlight provided under the second substrate. Also, the gate electrode can be disposed between a lower surface of the channel part of the active layer and the backlight, in order to protect the channel part from light emitted from the backlight.
    Type: Grant
    Filed: March 28, 2023
    Date of Patent: April 23, 2024
    Assignee: LG DISPLAY CO., LTD.
    Inventor: Junghyun Lee
  • Patent number: 11967607
    Abstract: A light emitting device may include first electrodes and second electrodes that are spaced apart from each other in a first direction, light emitting elements electrically connected between adjacent first and second electrodes among the first and the second electrodes, and a third electrode spaced apart from the first electrodes and the second electrodes. The third electrode may be electrically separated from the first electrodes and the second electrodes.
    Type: Grant
    Filed: July 15, 2019
    Date of Patent: April 23, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Young Rag Do, Yun Jae Eo
  • Patent number: 11942321
    Abstract: Methods and systems for crystallizing a thin film provide a laser beam spot that is continually advanced across tire thin film to create a sustained complete or partial molten zone that is translated across the thin film, and crystallizes to form uniform, small-grained crystalline structures or grains.
    Type: Grant
    Filed: July 22, 2022
    Date of Patent: March 26, 2024
    Assignee: THE TRUSTEES OF COLUMBIA UNIVERSITY IN CITY OF NEW YORK
    Inventors: James S. Im, Wenkai Pan
  • Patent number: 11942484
    Abstract: A semiconductor device includes an insulating substrate, a first semiconductor layer formed of silicon and positioned above the insulating substrate, a second semiconductor layer formed of a metal oxide and positioned above the first semiconductor layer, a first insulating film formed of a silicon nitride and positioned between the first semiconductor layer and the second semiconductor layer, and a block layer positioned between the first semiconductor film and the second semiconductor layer, the block layer hydrogen diffusion of which is lower than that of the first insulating film.
    Type: Grant
    Filed: July 28, 2022
    Date of Patent: March 26, 2024
    Assignee: Japan Display Inc.
    Inventors: Akihiro Hanada, Hajime Watakabe, Kazufumi Watabe
  • Patent number: 11906701
    Abstract: Anti-reflective article includes a layer defining an anti-reflective surface. The anti-reflective surface includes a series of alternating micro-peaks and micro-spaces extending along an axis. The surface also includes a series of nano-peaks extending along an axis. The nano-peaks are disposed at least on the micro-spaces and, optionally, the micro-peaks. The article may be disposed on a photovoltaic module or skylight to reduce reflections and resist the collection of dust and dirt.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: February 20, 2024
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Timothy J. Hebrink, Todd G. Pett, Moses M. David, James P. Burke, Vivian W. Jones, Haiyan Zhang
  • Patent number: 11899872
    Abstract: A display apparatus is disclosed that includes a substrate, a partition wall, and wiring. The substrate includes a display area and a peripheral area. The partition wall is arranged in the peripheral area. The wiring is arranged over the substrate extends from the display area to the peripheral area, and inserted into the partition wall or passes through the partition wall. The wiring includes at least one through hole.
    Type: Grant
    Filed: February 23, 2022
    Date of Patent: February 13, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kwangwoo Park, Yoonho Kim, Minjung Ann, Jinwhan Jung, Jinho Ju, Sanghyun Choi, Yechan Choi
  • Patent number: 11894213
    Abstract: An ion milling device capable of high-speed milling is realized even for a specimen containing a material having an imide bond. Therefore, the ion milling device includes: a vacuum chamber 6 configured to hold a specimen 3 in a vacuum atmosphere; an ion gun 1 configured to irradiate the specimen with a non-focused ion beam 2; a vaporization container 17 configured to store a mixed solution 13 of a water-soluble ionic liquid and water; and nozzles 11, 12 configured to supply water vapor obtained by vaporizing the mixed solution to a vicinity of a surface of the specimen processed by the ion beam.
    Type: Grant
    Filed: June 22, 2018
    Date of Patent: February 6, 2024
    Assignee: Hitachi High-Tech Corporation
    Inventors: Asako Kaneko, Hisayuki Takasu
  • Patent number: 11879867
    Abstract: There are described a system and method for performing ultrasound testing of a component comprising a first material layer and a second material layer bonded by an adhesive layer. The method comprises applying input ultrasound to the component to cause longitudinal propagation of ultrasonic guided waves through the first material layer and the adhesive layer; acquiring acoustic waves from the component, wherein the acoustic waves produced by the longitudinal propagation of the ultrasonic guided waves; generating a signal representation of the acoustic waves; comparing the signal representation of the acoustic waves to a plurality of reference signals to identify a characteristic of the adhesive layer; and outputting an output signal indicative of the characteristic of the adhesive layer.
    Type: Grant
    Filed: June 23, 2022
    Date of Patent: January 23, 2024
    Assignee: ECOLE DE TECHNOLOGIE SUPERIEURE
    Inventors: Pierre Belanger, Daniel Pereira
  • Patent number: 11881403
    Abstract: A substrate processing method includes an operation for holding a substrate in a horizontal position, the substrate including an amorphous silicon layer having a surface on which an altered layer derived from dry etching is formed, an operation for irradiating the altered layer with ultraviolet rays to reform the altered layer into a reformed layer, and an operation for supplying a chemical solution to the amorphous silicon layer having the reformed layer on the surface to perform wet etching on the amorphous silicon layer. This improves the efficiency of the wet etching on the amorphous silicon layer.
    Type: Grant
    Filed: January 8, 2020
    Date of Patent: January 23, 2024
    Inventors: Ayumi Higuchi, Yuya Akanishi
  • Patent number: 11874537
    Abstract: The present invention relates to a display device, comprising: a first substrate comprising a first inner surface, a first outer surface opposite to the first inner surface, a display region, a bonding region adjacent to the display region, a plurality of thin film transistors disposed on the first inner surface and corresponding to the display region; a second substrate opposite to the display region and comprising a second inner surface, a second outer surface opposite to the second inner surface, a first color resist and a second color resist each disposed on the second inner surface; a display molecular layer disposed between the first substrate and the second substrate; an electrical shielding layer disposed on the first outer surface of the first substrate, wherein the electrical shielding layer comprises a first shielding region corresponding to the first color resist and a second shielding region corresponding to the bonding region.
    Type: Grant
    Filed: December 28, 2018
    Date of Patent: January 16, 2024
    Assignee: AU OPTRONICS (KUNSHAN) CO., LTD.
    Inventors: Yung Chuan Chu, Chao-Yun Cheng, Shan-Fang Chen, Haiyan Liu
  • Patent number: 11869897
    Abstract: An array substrate including a display area having a plurality of subpixels is provided. The plurality of subpixels includes a plurality of first subpixels in a display-bonding sub-area and a plurality of second subpixels in a regular display sub-area. The array substrate includes a plurality of thin film transistors on a first side of the base substrate and respectively in the plurality of subpixels. A respective one of the plurality of first subpixels includes a bonding pad on a second side of a base substrate; a lead line electrically connecting a respective one of a plurality of thin film transistors to the bonding pad; and a via extending through the base substrate. The lead line is unexposed in the array substrate. The lead line extends from the first side to the second side of the base substrate through the via, to connect to the bonding pad.
    Type: Grant
    Filed: March 24, 2020
    Date of Patent: January 9, 2024
    Assignee: BOE Technology Group Co., Ltd.
    Inventors: Ke Wang, Muxin Di, Zhiwei Liang, Guoqiang Wang, Renquan Gu, Xiaoxin Song, Xiaoyan Zhu, Yingwei Liu, Zhanfeng Cao
  • Patent number: 11846854
    Abstract: According to one embodiment, a display device including a first substrate including a first pixel and a second pixel, a second substrate, a liquid crystal layer containing polymer and liquid crystal molecules, and a light emitting element, wherein the second pixel is located between the light emitting element and the first pixel, the first substrate includes a switching element including a semiconductor layer arranged in the first pixel, a pixel electrode, and a first light shielding portion arranged in the second pixel and being adjacent to the semiconductor layer, the first light shielding portion is located between the semiconductor layer and the light emitting element in planar view and located on a side closer to the first pixel than a center of the second pixel.
    Type: Grant
    Filed: August 16, 2021
    Date of Patent: December 19, 2023
    Assignee: Japan Display Inc.
    Inventors: Kentaro Okuyama, Yoshihide Ohue, Hiroki Sugiyama, Tomoyuki Tada
  • Patent number: 11830870
    Abstract: An ESD protection device (100) is disclosed. More particularly, the ESD protection device is configured so that a gate electrode (140) and a capacitor electrode (170) electrically connected to a drain region (162) are spaced apart from each other by a preset distance, and partially or entirely overlap each other, thereby increasing a capacitance (Cgd) between the gate electrode and the drain region.
    Type: Grant
    Filed: February 25, 2021
    Date of Patent: November 28, 2023
    Assignee: DB HiTek, Co., Ltd.
    Inventor: Jong-Min Kim
  • Patent number: 11829038
    Abstract: The present application provides a liquid crystal display panel and a liquid crystal display device. The liquid crystal display panel, by disposing a support member between a support column and an organic material layer with a hardness of the support member being greater than that of the organic material layer, makes the support member perform a supporting function for the support column to prevent deformation accumulation of the support column and the organic material layer such that a liquid crystal border is more easily determined. In the meantime, the liquid crystal border is wider to mitigate a technical issue of the liquid crystal border of a conventional liquid crystal display panel being unable to be determined.
    Type: Grant
    Filed: December 28, 2020
    Date of Patent: November 28, 2023
    Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Jianzhong Hu
  • Patent number: 11825600
    Abstract: Provided are a printed circuit board, a display device and a method of manufacturing a display device. The printed circuit board includes a base film including a first surface and a second surface, lead lines disposed on the first surface of the base film, and a first cover layer that covers at least a part of the lead lines and includes fill-in portions disposed between the lead lines. Each of the fill-in portions has a surface height less than a surface height of each of the lead lines with respect to the first surface of the base film.
    Type: Grant
    Filed: August 24, 2021
    Date of Patent: November 21, 2023
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Tae Jin Park, Gyung Hyun Ko, Hee Ju Ma, Woo Jin Lee, Yeon Je Cho
  • Patent number: 11790552
    Abstract: An apparatus and method for applying a multi-component curable composition is disclosed. The method for applying a multi-component curable composition includes a) applying a plurality of fluids constituting the multi-component curable composition to a surface of a bonding target object layer by layer, b) acquiring a two-dimensional image of all the fluids applied layer by layer using an image sensor, c) measuring a height of all the fluids applied layer by layer using a distance sensor, and d) calculating a total volume of the multi-component curable composition by using the two-dimensional image and height of the fluids obtained in b) and c).
    Type: Grant
    Filed: September 16, 2021
    Date of Patent: October 17, 2023
    Assignee: FINE SEMITECH CORP.
    Inventors: Sung Chul Jeon, Dong Young Shin, Sun Woo Lee
  • Patent number: 11778842
    Abstract: A display panel and method of manufacture are described. In an embodiment, a display substrate includes a pixel area and a non-pixel area. An array of subpixels and corresponding array of bottom electrodes are in the pixel area. An array of micro LED devices are bonded to the array of bottom electrodes. One or more top electrode layers are formed in electrical contact with the array of micro LED devices. In one embodiment a redundant pair of micro LED devices are bonded to the array of bottom electrodes. In one embodiment, the array of micro LED devices are imaged to detect irregularities.
    Type: Grant
    Filed: May 31, 2022
    Date of Patent: October 3, 2023
    Assignee: Apple Inc.
    Inventors: Andreas Bibl, Kapil V. Sakariya, Charles R. Griggs, James Michael Perkins
  • Patent number: 11762252
    Abstract: A first substrate of a liquid crystal display device includes a plurality of gate wiring lines, a plurality of source wiring lines, a thin film transistor (TFT) provided in each of the pixels, a pixel electrode formed of a transparent conductive material and electrically connected to the TFT, a reflective electrode including a portion positioned in a reflective region, and a terminal portion disposed in a non-display region. The pixel electrode is formed in an upper layer above the reflective electrode, and the reflective electrode is not in contact with the pixel electrode. The terminal portion includes at least one of a first conductive layer formed in a same layer as that of the gate wiring lines and a second conductive layer formed in a same layer as that of the source wiring lines, and a third conductive layer formed in a same layer as that of the pixel electrode, and does not include a conductive layer formed in a same layer as that of the reflective electrode.
    Type: Grant
    Filed: March 30, 2022
    Date of Patent: September 19, 2023
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Yoshimasa Chikama, Masamitsu Yamanaka
  • Patent number: 11735580
    Abstract: An ESD protection device (100) is disclosed. More particularly, the ESD protection device is configured so that a gate electrode (140) and a capacitor electrode (170) electrically connected to a drain region (162) are spaced apart from each other by a preset distance, and partially or entirely overlap each other, thereby increasing a capacitance (Cgd) between the gate electrode and the drain region.
    Type: Grant
    Filed: February 25, 2021
    Date of Patent: August 22, 2023
    Assignee: DB HiTek, Co., Ltd.
    Inventor: Jong-Min Kim
  • Patent number: 11728457
    Abstract: The present invention relates to a nano-scale light-emitting diode (LED) element for a horizontal array assembly, a manufacturing method thereof, and a horizontal array assembly including the same, and more particularly, to a nano-scale LED element for a horizontal array assembly that can significantly increase the number of nano-scale LED elements connected to an electrode line, facilitate an arrangement of the elements, and implement a horizontal array assembly having a very good electric connection between an electrode and an element and a significant high quantity of light when a horizontal array assembly having the nano-scale LED elements laid in a length direction thereof and connected to the electrode line is manufactured, a manufacturing method thereof, and a horizontal array assembly including the same.
    Type: Grant
    Filed: February 1, 2021
    Date of Patent: August 15, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventor: Yeon Goog Sung
  • Patent number: 11714513
    Abstract: An array substrate includes: a plurality of touch units arranged in an array and insulated from each other; each of the plurality of touch units including at least one electrode block arranged in an array and connected to each other; and a plurality of touch lines; wherein the touch units and the touch lines are connected in a one-to-one correspondence by direct overlap. Also disclosed are a touch display panel and a method for manufacturing the array substrate.
    Type: Grant
    Filed: January 6, 2021
    Date of Patent: August 1, 2023
    Assignees: Wuhan BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Chao Wang, Ning Zhu, Yujie Gao
  • Patent number: 11699778
    Abstract: A display device includes: an underlayer, a first insulating film contacting an upper face of the underlayer, a semiconductor layer, a second insulating film, a first metal layer, a first resin layer, a first electrode, and a second resin layer, in order from a lower layer, wherein at least one of the underlayer, the first resin layer, and the second resin layer is a thin film layer having a maximum film thickness in a display region provided with a light-emitting element being thicker than a maximum film thickness in a frame region surrounding the display region.
    Type: Grant
    Filed: March 16, 2018
    Date of Patent: July 11, 2023
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Takao Saitoh, Yi Sun, Yohsuke Kanzaki, Masaki Yamanaka, Masahiko Miwa, Seiji Kaneko
  • Patent number: 11690243
    Abstract: A flexible device with fewer defects caused by a crack is provided. A flexible device with high productivity is also provided. Furthermore, a flexible device with less display failure even in a high temperature and high humidity environment is provided. A light-emitting device includes a first flexible substrate, a second flexible substrate, a buffer layer, a first crack inhibiting layer, and a light-emitting element. A first surface of the first flexible substrate faces a second surface of the second flexible substrate. The buffer layer and the first crack inhibiting layer are provided over the first surface of the first flexible substrate. The buffer layer overlaps with the first crack inhibiting layer. The light-emitting element is provided over the second surface of the second flexible substrate.
    Type: Grant
    Filed: October 9, 2020
    Date of Patent: June 27, 2023
    Assignee: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
    Inventors: Masataka Nakada, Takayuki Abe, Naoyuki Senda
  • Patent number: 11646320
    Abstract: A pixel array substrate, including multiple pixel structures, is provided. Each of the pixel structures includes a first common electrode, a thin film transistor, a conductive pattern, a first insulating layer, a color filter pattern, a second insulating layer, and a pixel electrode. The conductive pattern is electrically connected to the thin film transistor. A first portion of the conductive pattern is disposed on the first common electrode. The first insulating layer is disposed on the conductive pattern. The color filter pattern is disposed on the first insulating layer. The second insulating layer is disposed on the color filter pattern. The pixel electrode is disposed on the second insulating layer. In a top view of the pixel array substrate, the first portion of the conductive pattern covers all edges of the first common electrode within an opening of the color filter pattern.
    Type: Grant
    Filed: June 21, 2021
    Date of Patent: May 9, 2023
    Assignee: Au Optronics Corporation
    Inventors: Yueh-Chi Wu, Ti-Kuei Yu, Shu-Wen Liao
  • Patent number: 11644729
    Abstract: An active matrix substrate includes a first pixel region defined by first and second source bus lines adjacent to each other and first and second gate bus lines adjacent to each other and further includes a first pixel electrode and a first oxide semiconductor TFT that are associated with the first pixel region. The first oxide semiconductor TFT includes an oxide semiconductor layer and a gate electrode electrically connected to the first gate bus line. The oxide semiconductor layer includes a channel region and a low-resistance region including first and second regions located on opposite sides of the channel region. When viewed in a direction normal to the substrate, the low-resistance region extends across the first source bus line to another pixel region and partially overlaps a pixel electrode disposed in the other pixel region with an insulating layer interposed therebetween.
    Type: Grant
    Filed: May 13, 2022
    Date of Patent: May 9, 2023
    Assignee: SHARP DISPLAY TECHNOLOGY CORPORATION
    Inventors: Jun Nishimura, Akira Tagawa, Yasuaki Iwase, Yohei Takeuchi
  • Patent number: 11644927
    Abstract: A display device is capable of sensing a user's touching or inputting by a laser pointer on a display panel, by means of arranging a photo transistor in some pixels of the display panel to sense off-current of the photo transistor according to a change in the quantity of external light. In addition, a common electrode overlapping a data line is arranged separately from a common electrode overlapping a read-out line from which a sensing signal is detected, thereby improving the sensing performance carried out simultaneously with the display driving, owing to reduced influence of noise caused by the display driving to the sensing signal.
    Type: Grant
    Filed: June 30, 2020
    Date of Patent: May 9, 2023
    Assignee: LG Display Co., Ltd.
    Inventors: SeungHwan Shin, DaeYoung Seo
  • Patent number: 11640090
    Abstract: According to one embodiment, a display device including a first substrate including a first insulating film and a second insulating film that includes a band-shaped first thick film portion, an island-shaped second thick film portion, a first contact hole penetrating the first thick film portion, and a second contact hole penetrating the second thick film portion, a first thickness of the first thick film portion and a second thickness of the second thick film portion are larger than a film thickness of the second insulating film between the first and second thick film portions, and a second substrate comprises a spacer overlapping the first thick film portion.
    Type: Grant
    Filed: March 18, 2022
    Date of Patent: May 2, 2023
    Assignee: Japan Display Inc.
    Inventors: Masaru Nakakomi, Tomokazu Ishikawa
  • Patent number: 11630361
    Abstract: A display device including: a substrate; a first thin film transistor of polysilicon semiconductor, a second thin film transistor of oxide semiconductor; a first light shading film opposing to the polysilicon semiconductor, and a second light shading film opposing to the oxide semiconductor; a first insulating film, a second insulating film which is constituted from plural insulating films, and a third insulating film superposed in this order; a first through hole penetrating the second insulating film and not penetrating the first insulating film and the third insulating film; a second through hole penetrating the first insulating film and the third insulating film; the first light shading film connects with a first conductive component, a part of the first conductive component exists on the third insulating film, through the second through hole.
    Type: Grant
    Filed: September 10, 2021
    Date of Patent: April 18, 2023
    Assignee: Japan Display Inc.
    Inventors: Akihiro Hanada, Toshihide Jinnai, Isao Suzumura, Hajime Watakabe, Ryo Onodera
  • Patent number: 11621179
    Abstract: A substrate processing apparatus includes a placing table, having a first placing surface on which a substrate is placed and a rear surface opposite to the first placing surface, provided with a first window which allows the first placing surface and the rear surface to communicate with each other and which is configured to transmit light; a first adjusting device configured to hold a first light irradiation unit configured to irradiate light toward the first window and configured to adjust an irradiation position of the light on the rear surface; and a first reflection member, having retroreflection property, disposed at the rear surface of the placing table to enclose the first window, and configured to reflect a part of the light and return reflection light indicating a deviation between the irradiation position of the light and a position of the first window to the first light irradiation unit.
    Type: Grant
    Filed: May 15, 2020
    Date of Patent: April 4, 2023
    Assignee: TOKYO ELECTRON LIMITED
    Inventor: Satoshi Suzuki
  • Patent number: 11619849
    Abstract: An array substrate includes a base substrate; a data line located on the base substrate; a conductive shield layer located on a side of the data line facing away from the base substrate; a pixel electrode located on a side of the data line facing away from the base substrate; and a black matrix located on a side of the conductive shield layer facing away from the data line. The conductive shield layer is not in contact with the pixel electrode and the data line. Each of the conductive shield layer and the black matrix at least partially overlaps the data line in a direction perpendicular to the base substrate.
    Type: Grant
    Filed: August 16, 2018
    Date of Patent: April 4, 2023
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Hongfei Cheng
  • Patent number: 11605792
    Abstract: A flexible substrate is provided, and the flexible substrate includes a second organic layer, a first inorganic layer, a first organic layer, and a second inorganic layer, which are sequentially stacked. A surface, which is in contact with the first organic layer, of the first inorganic layer has a first groove. A surface, which is in contact with the first inorganic layer, of the second organic layer has a second groove. A surface, which is in contact with the second inorganic layer, of the first organic layer has a third groove. In a direction perpendicular to the first inorganic layer, any two of the first groove, the second groove and the third groove at least partially are not aligned with each other. A manufacturing method of the flexible substrate, a panel including the flexible substrate, and an electronic device including the flexible substrate are also provided.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: March 14, 2023
    Assignees: MIANYANG BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Shilei Kang, Jun Zhao, Ganghao Fan, Hui Luo
  • Patent number: 11594160
    Abstract: A pixel detection circuit includes a wire, at least one detection signal input terminal, at least one detection signal output terminal, and a first pixel drive circuit comprising a first switch circuit, a second switch circuit, and a third switch circuit. A display apparatus including the pixel detection circuit and a detection method applied to the pixel detection circuit are further provided.
    Type: Grant
    Filed: July 30, 2020
    Date of Patent: February 28, 2023
    Assignees: CHONGQING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Shicheng Sun, Jonguk Kwak, Dawei Shi, Wei Zhang, Cunzhi Li, Pei Wang
  • Patent number: 11586076
    Abstract: The disclosure provides a liquid crystal display (LCD) panel, a manufacturing method thereof, and an LCD device. The LCD panel adopts a structure with multiple electrodes and dual-frequency liquid crystals. When a temperature of the LCD panel is low (below 0° C.), the LCD panel is driven at high frequency, so that it emits more heat. Therefore, a working temperature of the LCD panel is increased without adding a heating element. LCD devices using such LCD panels have wide working temperature ranges, and are well suited to be used outdoors.
    Type: Grant
    Filed: April 8, 2020
    Date of Patent: February 21, 2023
    Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Xingwu Chen
  • Patent number: 11587499
    Abstract: The present disclosure provides a display panel, a method for driving the display panel and a display device. The display panel includes a display region and a non-display region. The non-display region includes a first bonding region, and further includes first connection lines connected to a plurality of gate lines respectively and second connection lines connected to a plurality of data lines respectively. The display panel further includes at least one chip on film, the chip on film includes a second bonding region, a first region, and a second region between the second bonding region and the first region. A scanning driving integrated circuitry connected to the second bonding region via first wirings and a data driving integrated circuitry connected to the second bonding region via second wirings are bonded in the first region. The first wirings and the second wirings are arranged at different layers in the second region.
    Type: Grant
    Filed: May 15, 2020
    Date of Patent: February 21, 2023
    Assignees: FUZHOU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Ye Hu, Kai Diao, Qingna Hou, Hongzhou Xie, Shangtao Zheng, Renhui Yu, Wen Zha, Xin Chen, Meizhen Chen
  • Patent number: 11581296
    Abstract: A light emitting substrate, a light emitting motherboard, a method for obtaining a light emitting substrate, and a displaying device. The light emitting substrate comprises a substrate and multiple light emitting units, wherein the substrate is provided with a light emitting region and a bind region located on one side of the light emitting region; each light emitting unit comprises a light zone provided with at least one light emitting diode and a drive circuit provided with multiple pins, and the multiple light emitting units are arranged on the substrate in an array; a direction pointing from the light emitting region to the bind region is a first direction; and in the first direction, the drive circuit of at least one light emitting unit in the last row of the light emitting units is connected to an address line.
    Type: Grant
    Filed: June 17, 2021
    Date of Patent: February 14, 2023
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.
    Inventors: Jie Lei, Zouming Xu, Jian Tian, Chunjian Liu, Xintao Wu, Jie Wang
  • Patent number: 11550188
    Abstract: The purpose of the present invention is to realize the photo alignment film which has good alignment ability and good adhesive strength with the seal material. The structure of the invention is: A liquid crystal display device including a first substrate, having pixel electrodes and a first alignment film, and a second substrate adhere to each other by seal material, and the liquid crystal being sealed inside, in which the first alignment film is formed from a first polyimide, which receives a photo alignment treatment, and a second polyimide, which does not receive the photo alignment treatment, the first polyimide exists 75 to 98 weight % at a surface of the first alignment film on the pixel electrode and at an interface with the seal material, the second polyimide increases gradually in going to depth direction from the surface of the first alignment film in a cross sectional view.
    Type: Grant
    Filed: September 24, 2021
    Date of Patent: January 10, 2023
    Assignee: Japan Display Inc.
    Inventors: Ayaka Higuchi, Koichi Igeta
  • Patent number: 11545576
    Abstract: The present disclosure provides a display panel and an electronic device. The display panel comprises: a substrate, wherein a metal layer and an anti-reflection film are disposed on the substrate, the anti-reflection film is disposed on a light-emitting side of the metal layer, and the anti-reflection film comprises a protective layer and a darkening layer; wherein the protective layer is disposed between the darkening layer and the metal layer, and a material of the darkening layer comprises at least one of MoaXbOc, MoaXbNd, MoaXbOcNd, MoaXbWc, MoaXbCc, or AlaObNc, wherein a, c, and d are rational numbers greater than 0, b is a rational number greater than or equal to 0, and X is at least one of tantalum, vanadium, nickel, niobium, zirconium, tungsten, titanium, rhenium, or hafnium. The display panel and the electronic device of the present disclosure can improve display effect and display quality.
    Type: Grant
    Filed: December 6, 2019
    Date of Patent: January 3, 2023
    Assignee: TCL CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Xiaoping Yu
  • Patent number: 11514838
    Abstract: The present disclosure relates to a gate drive circuit. The gate drive circuit includes: cascaded GOA units, first clock signal lines, second clock signal lines, connecting lines and electrostatic protection sub-circuits. The first clock signal lines are used to provide various clock signals to the GOA units. The second clock signal lines are used to, when any of the clock signal lines is broken, replace the broken clock signal line to transmit a corresponding clock signal. The electrostatic protection sub-circuits are electrically connected to corresponding first clock signal lines or corresponding second clock signal lines through the connecting lines. Orthographic projections of the connecting lines on a plane where corresponding first clock signal lines or corresponding second clock signal lines are located intersect with the corresponding first clock signal lines and the corresponding second clock signal lines, respectively.
    Type: Grant
    Filed: November 4, 2020
    Date of Patent: November 29, 2022
    Assignees: HEFEI BOE JOINT TECHNOLOGY CO., LTD., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
    Inventors: Xuehuan Feng, Yongqian Li
  • Patent number: 11495605
    Abstract: Provided are a semiconductor structure and a manufacturing method thereof. The manufacturing method includes the following steps. A substrate having a capacitor region and a periphery region is provided, wherein a transistor is formed in the substrate in the capacitor region, and a conductive device is formed in the substrate in the periphery region. A capacitor is formed on the substrate in the capacitance region, wherein the capacitor is electrically connected to the transistor, and an upper electrode layer of the capacitor extends onto the substrate in the periphery region. A protective layer is formed on the upper electrode layer. A doped layer is formed in at least the surface of the protective layer in the capacitor region. An etching process is performed using the doped layer as a mask to remove the protective layer and the upper electrode layer in the periphery region.
    Type: Grant
    Filed: December 15, 2020
    Date of Patent: November 8, 2022
    Assignee: Winbond Electronics Corp.
    Inventors: Chi-An Wang, Kai Jen, Wei-Che Chang
  • Patent number: 11493815
    Abstract: A display device includes a plurality of pixel electrodes disposed so that the numbers of pixel electrodes arranged in a column-wise direction vary according to locations in a row-wise direction, a plurality of image lines having lengths corresponding to the numbers of pixel electrodes arranged in the column-wise direction, a common electrode partially disposed in an area outside the display area, a common wire supplies a common potential signal to the common electrode, a plurality of image lead wires drawn from the plurality of image lines into the area outside the display area and disposed to intersect the common wire, and a plurality of capacitance forming sections connected to the plurality of image lead wires in the area outside the display area and disposed to overlap at least either the common electrode or the common wire via at least either of insulating films.
    Type: Grant
    Filed: April 29, 2021
    Date of Patent: November 8, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventor: Masahiro Yoshida
  • Patent number: 11456322
    Abstract: The application discloses an array substrate, a manufacturing method of the array substrate and a display panel. It includes a thin film transistor, and the thin film transistor includes a substrate, a Metal 1, an insulating layer, a semiconductor layer, a barrier layer, a Metal 2, a first passivation layer and a pixel electrode; the Metal 2 includes a source electrode and a drain electrode. A connecting groove is arranged on the barrier layer corresponding to the position of the source electrode and the drain electrode, one end of the connecting groove is connected to the source electrode and the semiconductor layer, and the other end is connected to the drain electrode and the semiconductor layer.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: September 27, 2022
    Assignee: HKC CORPORATION LIMITED
    Inventor: Zhenli Song
  • Patent number: 11434427
    Abstract: A self-aligning material, a self-aligning liquid crystal material, and a liquid crystal panel are provided. The self-aligning material is a nano-surfactant having a conductive material-philic end and a liquid crystal material-philic end, which can align liquid crystal molecules. Thus, it is unnecessary to dispose a polyimide alignment layer in the liquid crystal panel. As a result, the polyimide alignment layer and its manufacturing are saved, and production cost is reduced.
    Type: Grant
    Filed: December 3, 2019
    Date of Patent: September 6, 2022
    Assignee: TCL China Star Optoelectronics Technology Co., Ltd.
    Inventor: Yu Zhang
  • Patent number: 11422412
    Abstract: A liquid crystal panel includes a first substrate including multiple pixel electrodes; a liquid crystal layer; and a second substrate including a common electrode. In at least 30 pixels consecutive in a row direction, arrays of the domains are identical, the domains in the display unit region located in an nth row are arranged in an order of a first domain, a second domain, a third domain, and a fourth domain, and each of the pixel electrodes includes a first pixel electrode having a configuration in which fine slits parallel to an alignment vector of the corresponding domain are provided in at least one of a region superimposed on the first domain, a region superimposed on the second domain, a region superimposed on the third domain, or a region superimposed on the fourth domain while the fine slits are not provided in the remaining regions.
    Type: Grant
    Filed: February 22, 2021
    Date of Patent: August 23, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Fumikazu Shimoshikiryoh, Shinichi Terashita, Kouichi Watanabe
  • Patent number: 11404402
    Abstract: A component assembly includes an intermediate carrier, a plurality of components and a plurality of anchoring elements. The components have at least two electrical devices and an insulating layer. At least one of the electrical devices is an optoelectronic semiconductor chip. The insulating layer is between the electrical devices of a same component. The at least two electrical devices of the same component are arranged next to one another and enclosed laterally by the insulating layer. The at least two electrical devices and the insulating layer of the same component are integral parts of a self-supporting and mechanically stable unit. The self-supporting and mechanically stable unit and the anchoring elements fix the positions of the components on the intermediate carrier. The components that are self-supporting and mechanically stable units are detachable from the intermediate carrier, and the anchoring elements release the components under mechanical load when the latter are removed.
    Type: Grant
    Filed: November 6, 2018
    Date of Patent: August 2, 2022
    Assignee: OSRAM OLED GmbH
    Inventors: Tilman Rügheimer, Thomas Schwarz, Lutz Höppel, Andreas Plößl, Alexander F. Pfeuffer
  • Patent number: 11393959
    Abstract: A micro light-emitting diode device includes a substrate, a micro light-emitting diode, a first protection layer and a second protection layer. The micro light-emitting diode is disposed on the substrate. The first protection layer is disposed on a first portion of an outer side wall of the micro light-emitting diode and has a gap from the substrate. The second protection layer is at least disposed on a second portion of the outer side wall and is located in the gap between the first protection layer and the substrate. A height of the second protection layer on the substrate is less than or equal to a height of the micro light-emitting diode on the substrate.
    Type: Grant
    Filed: December 10, 2019
    Date of Patent: July 19, 2022
    Assignee: PlayNitride Display Co., Ltd.
    Inventors: Pei-Hsin Chen, Yi-Chun Shih, Chih-Ling Wu
  • Patent number: 11392003
    Abstract: An active device substrate including a substrate, first metal grid wires, a first transparent conductive layer, a gate insulating layer, a semiconductor layer, a source, and a drain is provided. The first metal grid wires are located on the substrate. The first transparent conductive layer includes a scan line and a gate connected to the scan line. The scan line and/or the gate is directly connected to at least a part of the first metal grid wires. The gate insulating layer is located on the first transparent conductive layer. The semiconductor layer is located on the gate insulating layer and overlapped with the gate. The source and the drain are electrically connected to the semiconductor layer.
    Type: Grant
    Filed: July 24, 2020
    Date of Patent: July 19, 2022
    Assignee: Au Optronics Corporation
    Inventors: Cheng-Chan Wang, Tsai-Sheng Lo, Chia-Hsin Chung, Chih-Chiang Chen, Hui-Ku Chang, Sheng-Kai Lin, Chia-Po Lin, Ming-Jui Wang, Sheng-Ming Huang, Jen-Kuei Lu
  • Patent number: 11378858
    Abstract: The present disclosure provides a liquid crystal display panel, a color resistance layer is disposed on an array substrate corresponding to the bonding terminals, a plurality of conductive components are disposed on a surface of the color resistance layer and one-to-one electrically connected to metal lines, a first silver line is in contact with each of the metal lines and the conductive components corresponding to the metal lines in a thickness direction of the liquid crystal display panel, and a second silver line is in contact with a surface of the conductive components near the color filter substrate, to improve display effect of the liquid crystal display panel.
    Type: Grant
    Filed: December 5, 2019
    Date of Patent: July 5, 2022
    Inventor: Min Fu
  • Patent number: 11347337
    Abstract: The present disclosure provides a transparent conductive structure and a preparation method thereof, a display substrate, and a touch substrate, which belongs to the technical field of display panels. The transparent conductive structure is provided on a substrate. The method for manufacturing a transparent conductive structure includes: providing the substrate; forming a transparent conductive layer on the substrate; forming a heat insulation layer on a surface of the transparent conductive layer away from the substrate, the heat insulation layer having at least one window region exposing the transparent conductive layer; heating the transparent conductive layer for a preset time period, to form at least one insulating region on the transparent conductive layer; and removing the heat insulation layer.
    Type: Grant
    Filed: February 10, 2020
    Date of Patent: May 31, 2022
    Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD
    Inventors: Tao Ma, Chaowei Hao, Yanbo Chen